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The average of 20 numbers is zero. Of them, at the most, how many may be greater than zero ?
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birhan alemu
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Rugby
an ordered formation of players, used to restart play, in which the forwards of a team form up with arms interlocked and heads down, and push forward against a similar group from the opposing side. The ball is thrown into the scrum and the players try to gain possession of it by kicking it backwards towards their own side.
2.
British
a disorderly crowd of people or things.
"there was quite a scrum of people at the bar"
a struggle or scuffle involving a crowd of people.
"ageing passengers often lost out in the scrum for the best seats"
3.
a set of practices used in agile project management that emphasize daily communication and the flexible reassessment of plans that are carried out in short, iterative phases of work.
(in agile project management) a short meeting of a kind held regularly to facilitate communication and the flexible reassessment of plans.
verbRugby
verb: scrum; 3rd person present: scrums; past tense: scrummed; past participle: scrummed; gerund or present participle: scrumming
form or take part in a scrum.
"the two men scrummed down together for University College, Dublin"
informal•British
jostle; crowd.
"everyone was scrumming around behind him"
Origin
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